3443742509 has 2 divisors, whose sum is σ = 3443742510. Its totient is φ = 3443742508.

The previous prime is 3443742473. The next prime is 3443742521. The reversal of 3443742509 is 9052473443.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3387822025 + 55920484 = 58205^2 + 7478^2 .

It is a cyclic number.

It is not a de Polignac number, because 3443742509 - 2¹² = 3443738413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3443742529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1721871254 + 1721871255.

It is an arithmetic number, because the mean of its divisors is an integer number (1721871255).

Almost surely, 2^3443742509 is an apocalyptic number.

It is an amenable number.

3443742509 is a deficient number, since it is larger than the sum of its proper divisors (1).

3443742509 is an equidigital number, since it uses as much as digits as its factorization.

3443742509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 41.

The square root of 3443742509 is about 58683.4091460270. The cubic root of 3443742509 is about 1510.1157037489.

The spelling of 3443742509 in words is "three billion, four hundred forty-three million, seven hundred forty-two thousand, five hundred nine".